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Device for laser material working along a working direction and method for working material by means of a laser beam

A processing direction and material processing technology, applied in laser welding equipment, metal processing equipment, manufacturing tools, etc., can solve problems such as not being able to meet other uses, and achieve the effect of reducing roughness

Active Publication Date: 2019-11-12
PRECITEC GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically, the part is profiled such that the counterpart cannot serve another purpose and is therefore removed as scrap

Method used

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  • Device for laser material working along a working direction and method for working material by means of a laser beam
  • Device for laser material working along a working direction and method for working material by means of a laser beam
  • Device for laser material working along a working direction and method for working material by means of a laser beam

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Embodiment Construction

[0031] In the following, the same reference signs are used for identical and identically acting elements, unless otherwise stated.

[0032] During material processing with laser beams and especially during laser cutting, the laser beam can be used as an energy source and the gas beam can be used as a process driver. In this case, a gas jet can be used as a pulse source and optionally as an oxidizing agent (for example oxygen). Conventionally, the laser beam and the gas beam are designed rotationally symmetrically. More precisely, the intensity distribution or power density distribution of the laser beam in each plane perpendicular to the optical axis is rotationally symmetrical. The same can apply to the density and velocity of the gas. In this way, the same cutting result can be achieved in any desired cutting direction. There is no need to match the cutting direction. This is especially advantageous when machining thin sheet metals with small contours, since very rapid a...

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PUM

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Abstract

The invention relates to a device for working material by means of a laser beam along a working direction. The device comprises a focusing optical unit for focusing the laser beam onto a workpiece, the focusing optical unit defining an optical axis, and a setting assembly. The setting assembly comprises a setting device for the laser beam, which setting device is designed to asymmetrically set a power density distribution of the laser beam perpendicularly to the working direction, and / or a setting device for a gas jet, which setting device is designed to asymmetrically set a density distribution of the gas jet perpendicularly to the working direction.

Description

technical field [0001] The invention relates to a device for material processing with a laser beam along a processing direction and a method for material processing with a laser beam. In particular, the invention relates to devices and methods for laser cutting workpieces. Background technique [0002] During laser processing, that is to say during material processing by means of laser radiation (for example laser cutting), the laser beam emerging from the laser source is focused on the workpiece to be processed by means of beam guiding optics and focusing optics. Conventional devices for material processing can use laser beams and gas beams as pulse sources. Usually, the laser beam and the gas beam are formed rotationally symmetrically. With the laser beam and the gas beam, a cutting slit is produced which is identical on both sides and thus has the same quality, for example with regard to roughness, squareness, burr formation, homogeneity, and the like. [0003] A part ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/064B23K26/073B23K26/38B23K26/14
CPCB23K26/073B23K26/38B23K26/064B23K26/1462
Inventor A·鲁道夫
Owner PRECITEC GMBH